\documentclass[landscape]{sciposter}
\setmargins[0cm]
\usepackage{fontspec}
\usepackage{polyglossia}
\setdefaultlanguage{french}

\usepackage{graphicx}
\usepackage{tikz}
\usepackage[export]{adjustbox}

\defaultfontfeatures{Ligatures=TeX}
\setsansfont{EB Garamond}


\begin{document}

\begin{tikzpicture}[remember picture, overlay]
%-0.26,0.65)
      \node[anchor=north west] at (-0.26,-0.4){%
        \includegraphics{../maps/sheet52_indexedcolors_fr.png}};
\end{tikzpicture}

\begin{tikzpicture}[remember picture, overlay]
      \node[align=center, text centered] at (0.5*\paperwidth, -1 )  {%
\huge \textbf{\textit{Carte générale} \textsc{\textit{\&}} particulière de la France}, \textsc{n}\textsuperscript{o} 52 \Large Clermont en Auvergne, \Large F\textsuperscript{le} 110: 1759-1777, 2016-2019};
\end{tikzpicture}


\begin{tikzpicture}[remember picture, overlay]
	  %\node[draw, ultra thin]       
      \node at (58,-77.7){%
        \includegraphics[scale=1]{images/maplegend/legend_fr.png}};
\end{tikzpicture}


%\begin{tikzpicture}us 
%\matrix[ampersand replacement=\&] (M) at (0,0)
%{
%\node  at (7,-78) {
%  \begin{tabular}{ p{ c c }
%  \includegraphics[page=1, scale = 2,valign=m]{images/caracteres_geographiques/bruyere_ou_lande.pdf} &       %\includegraphics[page=1, scale = 2,valign=m]{images/caracteres_geographiques/talus.pdf} &
%  \includegraphics[page=1, scale = 2,valign=m]{images/caracteres_geographiques/marais.pdf}
%  \\
%  \small Bruyère ou lande & \small Talus & \small Marais\\
%  \end{tabular}
%}; \\ \\
%};
%\end{tikzpicture}

\begin{tikzpicture}[overlay]
      \node[anchor=north west] at (96 ,-74.7){%
        \includegraphics[height=3.5cm]{images/north_arrow.png}};
\end{tikzpicture}


\end{document}
